}
h1 {
    font-size: 3.2em;
    line-height: 1.1;
}
button {
    border-radius: 8px;
    border: 1px solid transparent;
    padding: 0.6em 1.2em;
    font-size: 1em;
    font-weight: 500;
    font-family: inherit;
    background-color: #1a1a1a;
    cursor: pointer;
    transition: border-color 0.25s;
}
button:hover {
    border-color: #646cff;
}
button:focus,
button:focus-visible {
    outline: 4px auto -webkit-focus-ring-color;
}
.card {
    padding: 2em;
}
#app {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
}
@media (prefers-color-scheme: light) {
     :root {
        color: #213547;
        background-color: #ffffff;
    }
    
    a:hover {
        color: #747bff;
    }
    
    button {
        background-color: #f9f9f9;
    }
}